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ECN publication
N-type silicon solar cell with Al back junction: results and modeling
Mihailetchi, V.D.; Geerligs, L.J.; Iuliis, S. de
Published by: Publication date:
ECN Solar Energy 10-8-2006
ECN report number: Document type:
ECN-M--06-079 Conference Paper
Number of pages: Full text:
5 Download PDF  

Presented at: 16th Workshop on Crystalline Silicon Solar Cell Materials and Processes, Denver CO, USA, 6-9 augustus 2006.

We present results on n-type silicon cell process development based on the Al-back junction concept using low cost fabrication techniques. Excellent results have been obtained on floatzone silicon wafers with efficiency in excess of 16.4%. Moreover, model calculations allow us to identify the potential for further enhancement of the cell efficiency above 17.5% by improving front surface passivation. After some optimization, high efficiencies may be conceivable on n-type multicrystalline substrates as well.

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